Finding the Fourth Proportional to 82.98, 124.38 and 37.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82.98 : 124.38 = 37.31 : x
2. Step 2: Convert to fraction form
   82.98/124.38 = 37.31/x
3. Step 3: Cross multiply
   82.98x = 124.38 × 37.31
4. Step 4: Simplify right side
   82.98x = 4,640.00
5. Step 5: Solve for x
   x = 4,640.00/82.98
6. Step 6: Final answer
   x = 55.92